9s are not humanitarians like every book and website says. It can actually be said 9s are the opposite.
Ruled by Mars in vedic numerology which is why 9s when they get angry they want to destroy something.
The 9th letter is the i (ego)
Only 9 numbers until they start to repeat. 9 is completion.
Any number added to 9 the sum of that number is the same. 9s are the adaptive number shown by that math.
The enigma.. Teslas 369 has the 9 at the top of the 3/6 symbolizing the number of "God"
Numerology and astrology are tied together thats why each sign is numbered. Now you know why Sagittarius is the 9th sign.
Crowly was into mysticism. When he mentions 9 as the most powerful number it isnt just about the number. It really refers more to the power of your will from where it stems from and it stems from 9. Which is the power of sex. check the kabalah meaning of 9 and the sefirot for more info.